Calculate Sum Collumn jQuery

Calculate_Collumn.js

function calculateColumn(idtable,collumn){
  $(function() {
    var total = 0;
    $(idtable+' tr').each(function(){
      var value = parseInt($('td', this).eq(collumn).text());
      if (!isNaN(value)){
        total += value;
      }
    });
    return total;
  });
}